San Marino is +378

A local writes 66 12 34 56 — the dialer below turns that into what you press.

Country code
+378
Dialing out
00
Trunk prefix
none

San Marino left the Italian plan in 1996, trading area code 0549 under +39 for its own +378 — and landlines still answer on both routes, a leftover of that divorce. There is no trunk prefix, so the national number is dialed as written, and 00 reaches an international line just as in Italy.

Numbers run six to ten digits: landlines keep the old Italian 0549 block, mobiles start with 6.

You dial

011 378 66123456

011 exits United States · 378 reaches San Marino. From any mobile, +378 66123456 works worldwide.

Type the number the way a local writes it — the arithmetic is derived from each country's ITU plan.

Plan facts verified against ITU-T E.164 assigned country codes · Telephone numbers in San Marino — Wikipedia. Prose is our own.

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